Weak toGrass ×2.56

Attacker	Type	Moveset	DPS
Kartana	GrassSteel	Razor LeafLeaf Blade	49.7
Roserade	GrassPoison	Magical LeafLeaf Storm	42.4
Zarude	DarkGrass	Vine WhipPower Whip	41.5
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	41.1
Meowscarada	GrassDark	LeafageFrenzy PlantLegacy	40.1
Decidueye	GrassGhost	Magical LeafFrenzy PlantLegacy	39.5
Tapu Bulu	GrassFairy	Bullet SeedGrass Knot	39.3
Tsareena	Grass	Magical LeafGrass Knot	38.8
Sceptile	Grass	Bullet SeedFrenzy PlantLegacy	38.5
Ogerpon	Grass	Magical LeafGrass Knot	38.3
Breloom	GrassFighting	Bullet SeedGrass KnotLegacy	38.1
Xurkitree	Electric	Thunder ShockPower Whip	37.7

Clear boosts the Grass attacks above. Clear and Rainy boost Swampert.

Level 40, 15 attack IV, costed against Swampert's own defense and typing, one per evolution family.

Swampert's moveset, CP and shiny All counters Raid board

Questions people ask

What is Swampert weak to in Pokémon GO?

Swampert takes 2.56 times damage from Grass.

What's the best counter to Swampert?

Kartana with Razor Leaf and Leaf Blade, worth 49.7 damage per second against Swampert's own defense. The full ranking is above.